diff --git a/.gitignore b/.gitignore
index 2671d9a0..59a8f763 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@ libtool
 pid
 ss.*
 src/ss-*
+!src/ss-nat
 stamp-h1
 .libs
 .pc